CN111093154B - Positioning method, positioning device, terminal equipment and storage medium - Google Patents

Positioning method, positioning device, terminal equipment and storage medium Download PDF

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Publication number
CN111093154B
CN111093154B CN201910895171.8A CN201910895171A CN111093154B CN 111093154 B CN111093154 B CN 111093154B CN 201910895171 A CN201910895171 A CN 201910895171A CN 111093154 B CN111093154 B CN 111093154B
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China
Prior art keywords
positioning
target terminal
static
information
configuration information
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Active
Application number
CN201910895171.8A
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Chinese (zh)
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CN111093154A (en
Inventor
毕程
汪梦珍
蒋创新
肖华华
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ZTE Corp
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ZTE Corp
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Priority to CN201910895171.8A priority Critical patent/CN111093154B/en
Publication of CN111093154A publication Critical patent/CN111093154A/en
Priority to PCT/CN2020/096379 priority patent/WO2021051905A1/en
Priority to US17/762,136 priority patent/US20220377697A1/en
Priority to EP20865187.7A priority patent/EP4033788A4/en
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Publication of CN111093154B publication Critical patent/CN111093154B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0236—Assistance data, e.g. base station almanac
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Abstract

The application provides a positioning method, a positioning device, terminal equipment and a storage medium, wherein the positioning method comprises the following steps: receiving positioning auxiliary information; positioning measurement is carried out according to the positioning auxiliary information; and positioning the target terminal by using the positioning measurement result. The method and the device can realize terminal equipment positioning in the vehicle wireless communication technology (V2X) scene.

Description

Positioning method, positioning device, terminal equipment and storage medium
Technical Field
The present invention relates to the field of communications, and in particular, to a positioning method, a positioning device, a terminal device, and a storage medium.
Background
The vehicle wireless communication technology (V2X, vehicle to Everything) is a new generation of information communication technology that connects vehicles to everything, and the current stage X mainly includes vehicles, people, traffic roadside infrastructure and networks. In the main application scenario of V2X, obtaining accurate location information of a terminal device plays a crucial role in improving performance, but V2X cannot completely rely on a common terminal positioning procedure because of its unique working architecture and performance requirements, especially requirements of cross operators. In the prior art, a terminal equipment positioning method aiming at a V2X scene does not exist yet.
Disclosure of Invention
In order to solve at least one technical problem described above, the embodiments of the present application provide the following solutions.
The embodiment of the application provides a positioning method, which comprises the following steps:
receiving positioning auxiliary information;
positioning measurement is carried out according to the positioning auxiliary information;
and positioning the target terminal by using the positioning measurement result.
The embodiment of the application provides an information transmission method, which comprises the following steps:
transmitting positioning assistance information, the positioning assistance information comprising: positioning configuration information of a neighbor cell of the target terminal; and positioning configuration information of at least one adjacent static UE of the target terminal.
The embodiment of the application provides an information transmission method, which comprises the following steps:
transmitting positioning assistance information, the positioning assistance information comprising: and positioning configuration information of at least two adjacent static UEs of the target terminal.
The embodiment of the application provides an information transmission method, which comprises the following steps:
transmitting positioning related information; the positioning related information includes: a sequence ID of a positioning signal of a static UE, a transmission band and a reception band of the static UE, and a location of the static UE.
The embodiment of the application provides a positioning device, which comprises:
the receiving module is used for receiving the positioning auxiliary information;
the measurement module is used for carrying out positioning measurement according to the positioning auxiliary information;
and the positioning module is used for positioning the target terminal by using the positioning measurement result.
The embodiment of the application provides an information transmission device, which comprises:
the first sending module is used for sending positioning auxiliary information, and the positioning auxiliary information comprises: positioning configuration information of a neighbor cell of the target terminal; and positioning configuration information of at least one adjacent static UE of the target terminal.
The embodiment of the application provides an information transmission device, which comprises:
the second sending module is configured to send positioning auxiliary information, where the positioning auxiliary information includes: and positioning configuration information of at least two adjacent static UEs of the target terminal.
The embodiment of the application provides an information transmission device, which comprises:
the third sending module is used for sending the positioning related information; the positioning related information includes: a sequence ID of a positioning signal of a static UE, a transmission band and a reception band of the static UE, and a location of the static UE.
The embodiment of the application provides a terminal for positioning, which comprises: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform a positioning method as described above.
The embodiment of the application provides a positioning server for information transmission, which comprises: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of the first information transfer described above.
The embodiment of the application provides a V2X server for information transmission, wherein the V2X server comprises: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of information transfer of the second type described above.
The embodiment of the application provides a static UE for information transmission, which comprises the following steps: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of third information transfer described above.
Embodiments of the present application provide a storage medium storing a computer program which, when executed by a processor, implements a method as described in any one of the above methods.
According to the positioning method provided by the embodiment of the application, the positioning measurement is carried out according to the received positioning auxiliary information, and the target terminal is positioned by utilizing the measurement result, so that the positioning of the terminal equipment in the V2X scene is realized.
Drawings
Fig. 1 is a schematic flow chart of a positioning method implementation in an embodiment of the present application;
fig. 2 is a schematic flow chart of an implementation of an information transmission method according to an embodiment of the present application;
fig. 3 is a schematic flow chart of another implementation of an information transmission method according to an embodiment of the present application;
fig. 4 is a schematic flow chart of another implementation of an information transmission method according to an embodiment of the present application;
fig. 5 is a schematic implementation flow chart of reporting positioning related information by a static UE in the embodiment of the present application;
FIG. 6 is a first schematic diagram of a positioning process according to an embodiment of the present application;
fig. 7 is a second schematic diagram of a positioning process according to an embodiment of the present application;
fig. 8 is a third schematic positioning flow chart according to an embodiment of the present application;
fig. 9 is a schematic diagram of a positioning process according to an embodiment of the present application;
fig. 10 is a schematic diagram of a positioning process according to an embodiment of the present application;
FIG. 11 is a diagram of a positioning process according to an embodiment of the present disclosure;
fig. 12 is a schematic diagram of a positioning process according to an embodiment of the present application;
FIG. 13 is a schematic diagram of a positioning process according to an embodiment of the present disclosure;
fig. 14 is a positioning flowchart of the embodiment of the present application;
fig. 15 is a schematic diagram of a positioning process according to an embodiment of the present application;
FIG. 16 is a diagram of an eleventh positioning process according to an embodiment of the present application;
fig. 17 is a schematic diagram of a positioning process according to an embodiment of the present application;
FIG. 18 is a schematic view of a positioning device according to an embodiment of the present disclosure;
fig. 19 is a schematic structural diagram of a terminal for positioning according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
An embodiment of the present application proposes a positioning method, as shown in fig. 1, which is a schematic flow chart for implementing the positioning method in the embodiment of the present application, including:
step S101: receiving positioning auxiliary information;
step S102: positioning measurement is carried out according to the positioning auxiliary information;
step S103: and positioning the target terminal by using the positioning measurement result.
The present embodiment can be applied to a target terminal.
In one embodiment, the positioning assistance information includes: positioning configuration information of adjacent cells; and, positioning configuration information of at least one nearby static User Equipment (UE);
the at least one nearby static UE belongs to the same public land mobile network (PLMN, public Land Mobile Network). In this case, the target terminal may be in a wireless communication network coverage in-connection state.
The positioning configuration information of the neighboring cell may be specific to positioning reference signal (PRS, positioning Reference Signal) configuration information of the neighboring cell, and the positioning configuration information of the neighboring static UE may be specific to secondary link positioning reference signal (SL PRS, sideLink Positioning Reference Signal) configuration information of the static UE.
In one embodiment, the step S101 includes:
receiving positioning assistance information from a positioning server; or,
receiving positioning auxiliary information from a positioning server and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal. The PC5 interface is an interface for directly establishing and releasing a secure communication link between two terminals.
In one embodiment, the step S102 includes:
and according to the positioning auxiliary information, positioning measurement is carried out on the positioning signals of the adjacent cells and the positioning signals of at least one adjacent static UE.
The positioning signal of the neighboring cell may be specifically PRS of the neighboring cell, and the positioning signal of the neighboring static UE may be specifically SL PRS of the neighboring static UE.
In one embodiment, the positioning assistance information includes: positioning configuration information of at least two adjacent static UEs;
the at least two nearby static UEs belong to different PLMNs. In this case, the target terminal may be in a wireless communication network coverage in-connection state.
In one embodiment, the step S101 includes:
receiving positioning auxiliary information from a V2X server; or,
receiving positioning auxiliary information from a V2X server and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
In one embodiment, the step S102 includes:
and carrying out positioning measurement on the positioning signals of the at least two adjacent static UE according to the positioning auxiliary information.
In one embodiment, the positioning assistance information includes: positioning configuration information of at least two adjacent static UEs;
the at least two adjacent static UEs belong to the same or different PLMNs. In this case, the target terminal may be outside the coverage of the wireless communication network, but connected to the terminal within the coverage by the PC 5.
In one embodiment, the step S101 includes: positioning assistance information from the at least two nearby static UEs is received.
In one embodiment, the step S102 includes: and carrying out positioning measurement on the positioning signals of the at least two adjacent static UE according to the positioning auxiliary information.
In the foregoing embodiments, the positioning configuration information of the neighboring static UE may include: sequence ID of positioning signal near static UE, transmission band and time position near static UE, and position near static UE.
The positioning configuration information of the adjacent static UE may be SL PRS configuration information of the adjacent static UE, and the positioning signal of the adjacent static UE may be SL PRS of the adjacent static UE.
The above is a downlink positioning process of the target terminal, and downlink positioning may refer to positioning the target terminal according to the received signal. The uplink positioning process of the target terminal is described below, and the uplink positioning may refer to that other devices or servers position the target terminal according to a signal sent by the target terminal.
In one embodiment, the method further comprises: and sending the positioning configuration information of the target terminal.
Specifically, the sending the positioning configuration information of the target terminal may include:
and sending the positioning configuration information of the target terminal to a positioning server, a V2X server or a terminal connected with the PC5 interface between the target terminal.
In one embodiment, the location configuration information of the target terminal includes: sequence ID of positioning signal of target terminal, and sending frequency band and time position of the target terminal.
The positioning configuration information of the target terminal may be specifically PRS configuration information of the target terminal, and the positioning signal of the target terminal may be specifically SL PRS of the target terminal.
The embodiment of the application further provides an information transmission method, as shown in fig. 2, which is a schematic flow chart of implementation of the information transmission method in the embodiment of the application, including:
step S201: transmitting positioning assistance information, the positioning assistance information comprising: positioning configuration information of a neighbor cell of the target terminal; and positioning configuration information of at least one adjacent static UE of the target terminal.
The above embodiments may be applied to a positioning server.
In one embodiment, the at least one nearby static UE belongs to the same PLMN.
In one embodiment, the step S201 includes:
sending positioning auxiliary information to a target terminal or other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
In one embodiment, as shown in fig. 2, before the step S201, the method may further include:
step S2001: receiving positioning related information of a plurality of static UEs, the positioning related information comprising: the sequence ID of the positioning signal of the static UE, the transmission band and the reception band of the static UE, and the location of the static UE.
In one embodiment, as shown in fig. 2, it may further include:
step S2002: and sending the positioning related information of the plurality of static UEs to a V2X server.
The above embodiments are examples of contents transmitted by the positioning server in order to complete the downlink positioning of the target terminal. An example of content transmitted by the positioning server in order to accomplish the uplink positioning of the target terminal is described below.
In one embodiment, the method further comprises:
receiving positioning configuration information of a target terminal;
and forwarding the positioning configuration information of the target terminal to at least two adjacent static UE of the target terminal respectively.
Wherein the at least two static UEs may belong to the same PLMN.
In one embodiment, the receiving the location configuration information of the target terminal includes:
receiving positioning configuration information from the target terminal; or,
receiving positioning configuration information from the target terminal and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
The positioning configuration information of the target terminal may include: the sequence ID of the positioning signal of the target terminal, and the sending frequency band and the time position of the target terminal.
The embodiment of the present application further proposes another information transmission method, and fig. 3 is a schematic flow chart of implementation of another information transmission method in the embodiment of the present application, including:
step S301: transmitting positioning assistance information, the positioning assistance information comprising: and positioning configuration information of at least two adjacent static UEs of the target terminal.
The present embodiment can be applied to a V2X server.
In one embodiment, the at least two nearby static UEs belong to the same or different PLMNs.
In one embodiment, the step 301 includes:
sending positioning auxiliary information to a target terminal or other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
In one embodiment, as shown in fig. 3, before the step S301, the method may further include:
step S300: receiving positioning related information of a plurality of static UE sent by a plurality of positioning servers;
the positioning related information includes: the sequence ID of the positioning signal of the static UE, the transmission band and the reception band of the static UE, and the location of the static UE.
The above embodiments are examples of contents transmitted by the V2X server in order to complete the downlink positioning of the target terminal. An example of the content transmitted by the V2X server in order to accomplish the uplink positioning of the target terminal is described below.
In one embodiment, the method further comprises:
receiving positioning configuration information of a target terminal;
and forwarding the positioning configuration information of the target terminal to at least two adjacent static UE of the target terminal respectively.
Wherein the at least two neighboring static UEs receiving the location configuration information of the target terminal may belong to the same or different PLMNs.
In one embodiment, the receiving the location configuration information of the target terminal includes:
receiving positioning configuration information from the target terminal; or,
receiving positioning configuration information from the target terminal and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
The positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, and the sending frequency band and the time position of the target terminal.
The embodiment of the present application further proposes another information transmission method, and fig. 4 is a schematic flow chart of implementation of another information transmission method in the embodiment of the present application, including:
step S401: transmitting positioning related information; the positioning related information includes: a sequence ID of a positioning signal of a static UE, a transmission band and a reception band of the static UE, and a location of the static UE.
The above embodiments are examples of content transmitted by static UE in order to complete the downlink positioning of the target terminal. An example of the execution of the static UE in order to accomplish the uplink positioning of the target terminal is described below.
In one embodiment, the method further comprises:
receiving positioning configuration information of a target terminal;
and carrying out positioning measurement according to the positioning configuration information of the target terminal.
The following embodiments combine the target terminal, the positioning server, the V2X server and the static UE together with the accompanying drawings to introduce an information interaction process between the terminals.
Fig. 5 is a schematic implementation flow chart of reporting positioning related information by a static UE in an embodiment of the present application.
First, sequence IDs of SL PRSs in a PC5 interface are uniformly allocated to static UE in a V2X architecture. The static UE may be a Road Side Unit (RSU), or the like.
And secondly, the static UE transmits the positioning related information of the static UE to the positioning server through a Uu interface.
Further, the positioning related information includes a location of the static UE, a supported transmission band and reception band, and a sequence ID of the SL PRS.
Further, the transmission frequency band and the reception frequency band may include frequency bands other than the operator frequency band.
Third, the positioning server transmits the stored location information of the static UE and the sequence ID of the SL PRS to the V2X server.
Fig. 6 is a schematic diagram of a positioning procedure for single PLMN positioning of a target terminal in a wireless communication network coverage connection state according to an embodiment of the present application. As shown in fig. 6, includes:
step S601: after the location service request is triggered, the target terminal interacts with the location server for location capabilities.
Further, the positioning capability includes a supported positioning method, a transmission and reception frequency band supported by the target terminal, and whether V2X positioning capability is provided.
Further, the transmission and reception frequency bands supported by the target terminal may include frequency bands outside the carrier frequency band.
Step S602: and the positioning server sends the positioning auxiliary information to the target terminal through the Uu interface.
Further, the positioning auxiliary information includes PRS configuration information of a neighbor cell and SL PRS configuration information of a neighbor static UE.
Further, the SL PRS configuration information of the static UE includes an SL PRS sequence ID, and a SL PRS transmission bandwidth and a time position of the static UE.
Step S603: and the target terminal performs positioning related measurement and positioning according to the positioning auxiliary information.
Further, the positioning may be a UE assisted mode and a core network assisted mode.
Furthermore, the core network needs to report the positioning related measurement information to the positioning server in the auxiliary mode.
Fig. 7 is a second positioning flow diagram of an embodiment of the present application, which is applied to cross-PLMN positioning of a target terminal in a wireless communication network coverage connection state. As shown in fig. 7, includes:
step S701: after the location service request is triggered, the target terminal interacts with the location server or V2X server for location capability.
Step S702: the positioning server or the V2X server transmits positioning assistance information to the target terminal.
Further, the positioning auxiliary information sent by the V2X server includes SL PRS configuration information of static UEs of other operators.
Step S703: and the target terminal performs positioning related measurement and positioning according to the auxiliary information.
Further, only UE-based positioning is supported in this scenario, and the relevant measurements may come from static UEs of multiple operators.
Fig. 8 is a third positioning flow diagram of an embodiment of the present application, which is applied to single PLMN positioning where a target terminal is located outside the wireless coverage but has a PC5 connection with other terminals within the wireless coverage. As shown in fig. 8, includes:
step S801: the target terminal interacts with the positioning server by interfacing with other terminals within wireless coverage of its existing PC5 interface.
Step S802: and the positioning server forwards the positioning auxiliary information to the target terminal through other terminals in the coverage and the PC5 interface.
Step S803: and the target terminal performs positioning related measurement and positioning according to the positioning auxiliary information.
Fig. 9 is a schematic diagram of a positioning procedure in the embodiment of the present application, which is applied to the PLMN-crossing positioning where the target terminal is located outside the wireless coverage but has a PC5 connection with other terminals within the wireless coverage. As shown in fig. 9, includes:
step S901: the target terminal interacts with the V2X server for positioning capability by interfacing with other terminals within wireless coverage of its existing PC5 interface.
Step S902: and the V2X server forwards the positioning auxiliary information to the target terminal through other terminals in the coverage and a PC5 interface.
Step S903: and the target terminal performs positioning related measurement and positioning according to the positioning auxiliary information.
Fig. 10 is a schematic diagram of a positioning process in the embodiment of the present application, which is applied to a scenario where the target terminal is completely located out of coverage. As shown in fig. 10, includes:
step S1001: the target terminal transmits a SL PRS signal transmission request to the neighboring stationary UE through the PC5 interface.
Further, the near static UE may comprise a cross-operator static UE.
Step S1002: the neighboring static UE transmits its own SL PRS configuration information to the target terminal through the PC5 interface and transmits the SL PRS.
Step S1003: the target terminal performs position calculation by measuring SL PRS adjacent to the stationary terminal.
Fig. 11 is a diagram illustrating a positioning procedure sixth of the embodiment of the present application, which is applied to single PLMN positioning of a target terminal in a wireless communication network coverage connection state. As shown in fig. 11, includes:
step S1101: after the location service request is triggered, the target terminal interacts with the location server for location capabilities.
Step S1102: the target terminal transmits its own SL PRS configuration information to the positioning server.
Further, the SL PRS configuration information of the target terminal may be configured by a wireless communication system or may be configured by itself.
Step S1103: and the positioning server sends the SL PRS configuration information of the target terminal to the adjacent static UE through the Uu interface.
Step S1104: and the nearby static UE performs measurement and reports to a positioning server or sends to a target terminal.
Fig. 12 is a diagram of a positioning procedure seventh of an embodiment of the present application, which is applied to cross-PLMN positioning of a target terminal in a wireless communication network coverage connection state. As shown in fig. 12, includes:
step S1201: after the location service request triggers, the target node interacts with the V2X server for location capabilities.
Step S1202: and the target terminal sends the SL PRS configuration information of the target terminal to the V2X server.
Step S1203: and the positioning server sends the SL PRS configuration information of the target terminal to the adjacent static UE.
Further, the nearby static UE may subscribe to different operators.
Step S1204: and the nearby static UE performs measurement and reports to a positioning server or sends to a target terminal.
Fig. 13 is a schematic diagram of a positioning procedure eight according to an embodiment of the present application, which is applied to positioning a target terminal that is out of coverage of a wireless communication network. As shown in fig. 13, includes:
step S1301: and the adjacent static UE transmits the information such as the self position, the receiving frequency band and the like to the target terminal through the PC5 interface.
Step S1302: and the target terminal sends the configuration information of the SL PRS of the target terminal to the adjacent static UE through the PC5 interface.
Step S1303: the SL PRS of the target terminal is measured by the neighboring stationary UEs and the measurement result is transmitted to the target terminal. The target terminal calculates its own position.
Fig. 14 is a schematic diagram of a positioning procedure according to an embodiment of the present application.
In this embodiment, a user a in a wireless communication network coverage connection state subscribes to an operator X and is to perform positioning: the operator uniformly assigns the sequence ID of SL PRS in the PC5 interface to static UEs (e.g., RSUs, etc.) in its V2X architecture. Around the user a there are 4 RSUs numbered 1, 2, 3, 4 in total.
As shown in fig. 14, the method comprises the following steps:
step S1401:4 RSUs upload the relevant information of the positioning of the RSUs to a positioning server of an operator X through Uu interfaces respectively. The positioning related information includes the location of the RSU, the supported transmission and reception bands, and the sequence ID of the SL PRS. The 4 RSUs do not support transmitting signals outside the operator band. The positioning server of the operator X sends the positioning related information of the RSU stored by the positioning server to a unified V2X server.
Step S1402: after the location service request is triggered, the target terminal where the user a is located interacts with the location server of the operator X for location capability. The target terminal supports V2X positioning.
Step S1403: the positioning server of the operator X sends the positioning auxiliary information to the target terminal through the Uu interface. The positioning assistance information includes PRS configuration information of a neighbor cell and SL PRS configuration information of a neighbor RSU. The configuration information of the SL PRS of the adjacent RSU comprises a sequence ID of the SL PRS, a transmission bandwidth of the SL PRS of the adjacent RSU and a time position.
Step S1404: the target terminal measures the PRS of each adjacent cell and the arrival time difference of the SL PRS of the adjacent RSU according to the positioning auxiliary information, and selects corresponding measurement data to use an arrival time difference positioning method (OTDOA, observed Time Difference of Arrival) for position calculation.
Fig. 15 is a schematic diagram of a positioning procedure according to an embodiment of the present application.
In this embodiment, a user a in a connected state within the coverage of the wireless communication network subscribes to the operator X to be located. The operator uniformly assigns the sequence ID of SL PRS in the PC5 interface to static UEs (e.g., RSUs, etc.) in its V2X architecture. Around the user a there are 4 RSUs numbered 1, 2, 3, 4 in total. User a supports band measurements for multiple operators.
As shown in fig. 15, the method comprises the following steps:
step S1501: the target terminal where the user A is located interacts with the V2X server through a Uu interface and an interface between the positioning server and the V2X server. The target terminal supports V2X positioning.
Step S1502: the V2X server sends the stored RSU position and SL PRS configuration information of each operator to the target terminal of the user A.
Step S1503: and the target terminal where the user A is located measures the SL PRS sent by the RSU subscribed to different operators, and then performs position calculation by using OTDOA according to the arrival time difference.
Fig. 16 is a schematic diagram of a positioning procedure according to an embodiment of the present application.
In this embodiment, the target terminal where the user a is located does not establish a connection with the communication network, but establishes a PC5 connection with the terminal B, which establishes a connection with the communication network.
As shown in fig. 16, the method comprises the following steps:
step S1601: the target terminal where the user A is located sends a positioning request of the target terminal itself, positioning related information and the like to the terminal B through the PC5 interface.
Step S1602: the terminal B reports the information of the target terminal where the user A is located to a positioning server or a V2X server.
The other processes are the same as those shown in fig. 14 or fig. 15, and will not be described here.
Fig. 17 is a schematic diagram of a positioning process according to an embodiment of the present application, including:
step S1701: the target terminal transmits a SL PRS signal transmission request to neighboring static UEs (including UE1, UE2, UE3, and UE 4) through a PC5 interface. Wherein UE1, UE2, UE3 and UE4 may subscribe to the same operator or may subscribe to different operators.
Step S1702: UE1, UE2, UE3 and UE4 transmit their own SL PRS configuration information to the target terminal through the PC5 interface, respectively, and transmit the SL PRS to the target terminal.
Step S1703: the target terminal performs position calculation by measuring SL PRS close to the stationary UE.
The embodiment of the application further provides a positioning device, as shown in fig. 18, which is a schematic structural diagram of the positioning device in the embodiment of the application, and includes:
a receiving module 1801, configured to receive positioning assistance information;
a measurement module 1802, configured to perform positioning measurement according to the positioning auxiliary information;
and the positioning module 1803 is used for positioning the target terminal by using the positioning measurement result.
The positioning device can be applied to a target terminal.
The embodiment of the application also provides an information transmission device, which comprises:
the first sending module is used for sending positioning auxiliary information, and the positioning auxiliary information comprises: positioning configuration information of a neighbor cell of the target terminal; and positioning configuration information of at least one adjacent static UE of the target terminal.
The information transmission apparatus described above may be applied to a target server.
The embodiment of the application also provides an information transmission device, which comprises:
the second sending module is configured to send positioning auxiliary information, where the positioning auxiliary information includes: and positioning configuration information of at least two adjacent static UEs of the target terminal.
The information transmission device described above can be applied to a V2X server.
The embodiment of the application also provides an information transmission device, which comprises:
the third sending module is used for sending the positioning related information; the positioning related information includes: a sequence ID of a positioning signal of a static UE, a transmission band and a reception band of the static UE, and a location of the static UE.
The above information transmission apparatus may be applied to a static UE.
The functions of each module in each apparatus of the embodiments of the present application may be referred to the corresponding descriptions in the foregoing method embodiments, which are not repeated herein.
Fig. 19 is a schematic structural diagram of a terminal for positioning according to an embodiment of the present application, as shown in fig. 19, a terminal 1900 provided in an embodiment of the present application includes: a memory 1903 and a processor 1904. The terminal 1900 may also include an interface 1901 and a bus 1902. The interface 1901, memory 1903 and processor 1904 are connected via bus 1902. The memory 1903 is used to store instructions. The processor 1904 is configured to read the instruction to execute the technical solution of the method embodiment applied to the UE, and its implementation principle and technical effects are similar, and are not repeated here.
The schematic structural diagrams of the positioning server, the V2X server and the static UE for information transmission in the embodiment of the present application are similar to the schematic structural diagrams of the terminal for positioning described above, and are not repeated here.
The present application provides a storage medium storing a computer program which, when executed by a processor, implements the method in the above embodiments.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application.

Claims (27)

1. A positioning method applied to a target terminal, comprising:
receiving positioning auxiliary information;
positioning measurement is carried out according to the positioning auxiliary information;
positioning the target terminal by using the positioning measurement result;
the positioning assistance information includes: positioning configuration information of at least two adjacent static UEs;
the at least two adjacent static UEs belong to different PLMNs; adjacent static UE positioning configuration information in the different PLMNs is sent by a V2X server;
the method further comprises the steps of: transmitting positioning configuration information of the target terminal; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, and the sending frequency band and the time position of the target terminal.
2. The method of claim 1, wherein the receiving positioning assistance information comprises:
receiving positioning assistance information from a positioning server; or,
receiving positioning auxiliary information from a positioning server and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
3. The method of claim 1, wherein the receiving positioning assistance information comprises:
receiving positioning auxiliary information from a vehicle wireless communication V2X server; or,
receiving positioning auxiliary information from a V2X server and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
4. The method of claim 1, wherein said making positioning measurements from said positioning assistance information comprises:
and carrying out positioning measurement on the positioning signals of the at least two adjacent static UE according to the positioning auxiliary information.
5. The method of claim 1, wherein the receiving positioning assistance information comprises:
positioning assistance information from the at least two nearby static UEs is received.
6. The method of claim 1, wherein said making positioning measurements from said positioning assistance information comprises:
and carrying out positioning measurement on the positioning signals of the at least two adjacent static UE according to the positioning auxiliary information.
7. The method according to any one of claims 2 to 6, wherein the positioning configuration information of the neighboring static UE comprises:
the sequence ID of the positioning signal of the adjacent static UE, the sending frequency band and the time position of the adjacent static UE and the position of the adjacent static UE.
8. The method according to claim 1, wherein the transmitting the location configuration information of the target terminal includes:
and sending the positioning configuration information of the target terminal to a positioning server, a V2X server or a terminal connected with the PC5 interface between the target terminal.
9. An information transmission method applied to a positioning server, comprising the following steps:
transmitting positioning assistance information, the positioning assistance information comprising: positioning configuration information of a neighbor cell of the target terminal; and positioning configuration information of at least one adjacent static UE of the target terminal;
the at least one nearby static UE belongs to the same PLMN;
the method further comprises the steps of: receiving positioning configuration information of a target terminal; forwarding the positioning configuration information of the target terminal to at least two adjacent static UE of the target terminal respectively; the at least two adjacent static UEs belong to the same PLMN; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, the sending frequency band and the time position of the target terminal;
the method further comprises the steps of: receiving positioning configuration information of a plurality of static UE, and sending positioning related information of the plurality of static UE to a V2X server, so that the V2X server sends positioning auxiliary information to the plurality of static UE; the positioning auxiliary information sent by the V2X server comprises positioning configuration information of static UE of other operators.
10. The method of claim 9, wherein the transmitting positioning assistance information comprises:
sending positioning auxiliary information to a target terminal or other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
11. The method of claim 9, wherein prior to transmitting the positioning assistance information, further comprising:
receiving positioning related information of a plurality of static UEs, the positioning related information comprising: the sequence ID of the positioning signal of the static UE, the transmission band and the reception band of the static UE, and the location of the static UE.
12. The method as recited in claim 11, further comprising: and sending the positioning related information of the plurality of static UEs to a V2X server.
13. The method according to claim 9, wherein the receiving the location configuration information of the target terminal includes:
receiving positioning configuration information from the target terminal; or,
receiving positioning configuration information from the target terminal and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
14. An information transmission method applied to a V2X server, comprising:
transmitting positioning assistance information, the positioning assistance information comprising: positioning configuration information of at least two adjacent static UE of the target terminal;
the at least two adjacent static UEs belong to different PLMNs;
the method further comprises the steps of: receiving positioning configuration information of a target terminal; forwarding the positioning configuration information of the target terminal to at least two adjacent static UE of the target terminal respectively; receiving the positioning configuration information of the target terminal, wherein the at least two adjacent static UEs belong to different PLMNs; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, and the sending frequency band and the time position of the target terminal.
15. The method of claim 14, wherein the transmitting positioning assistance information comprises:
sending positioning auxiliary information to a target terminal or other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
16. The method of claim 15, wherein prior to transmitting the positioning assistance information, further comprising:
receiving positioning related information of a plurality of static UE sent by a plurality of positioning servers;
the positioning related information includes: the sequence ID of the positioning signal of the static UE, the transmission band and the reception band of the static UE, and the location of the static UE.
17. The method according to claim 14, wherein receiving the location configuration information of the target terminal comprises:
receiving positioning configuration information from the target terminal; or,
receiving positioning configuration information from the target terminal and forwarded by other terminals; the other terminals are terminals with PC5 interface connection with the target terminal.
18. An information transmission method applied to a near static UE, comprising:
transmitting positioning related information; the positioning related information includes: a sequence ID of a positioning signal of a nearby static UE, a transmission band and a reception band of the nearby static UE, and a location of the nearby static UE;
the method further comprises the following steps:
receiving positioning configuration information of a target terminal from a V2X server;
positioning measurement is carried out according to the positioning configuration information of the target terminal; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, the sending frequency band and the time position of the target terminal; the near static UE and the target terminal belong to different PLMNs.
19. A positioning device applied to a target terminal, comprising:
the receiving module is used for receiving the positioning auxiliary information;
the measurement module is used for carrying out positioning measurement according to the positioning auxiliary information;
the positioning module is used for positioning the target terminal by utilizing the positioning measurement result;
the positioning assistance information includes: positioning configuration information of at least two adjacent static UEs; the at least two adjacent static UEs belong to different PLMNs; adjacent static UE positioning configuration information in the different PLMNs is sent by a V2X server; the device is also for: transmitting positioning configuration information of the target terminal; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, and the sending frequency band and the time position of the target terminal.
20. An information transmission device applied to a positioning server, comprising:
the first sending module is used for sending positioning auxiliary information, and the positioning auxiliary information comprises: positioning configuration information of a neighbor cell of the target terminal; and positioning configuration information of at least one adjacent static UE of the target terminal; the at least one nearby static UE belongs to the same PLMN; the device is also for: receiving positioning configuration information of a target terminal; forwarding the positioning configuration information of the target terminal to at least two adjacent static UE of the target terminal respectively; the at least two adjacent static UEs belong to the same PLMN; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, the sending frequency band and the time position of the target terminal;
the device is also for: receiving positioning configuration information of a plurality of static UE, and sending positioning related information of the plurality of static UE to a V2X server, so that the V2X server sends the positioning configuration information to the plurality of static UE; the positioning auxiliary information sent by the V2X server comprises positioning configuration information of static UE of other operators.
21. An information transmission device applied to a V2X server, comprising:
the second sending module is configured to send positioning auxiliary information, where the positioning auxiliary information includes: positioning configuration information of at least two adjacent static UE of the target terminal; the at least two adjacent static UEs belong to different PLMNs; the device is also for: receiving positioning configuration information of a target terminal; forwarding the positioning configuration information of the target terminal to at least two adjacent static UE of the target terminal respectively; receiving the positioning configuration information of the target terminal, wherein the at least two adjacent static UEs belong to different PLMNs; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, and the sending frequency band and the time position of the target terminal.
22. An information transmission apparatus, applied to a near static UE, comprising:
the third sending module is used for sending the positioning related information; the positioning related information includes: a sequence ID of a positioning signal of a nearby static UE, a transmission band and a reception band of the nearby static UE, and a location of the nearby static UE; the device is also used for: receiving positioning configuration information of a target terminal from a V2X server; positioning measurement is carried out according to the positioning configuration information of the target terminal; the positioning configuration information of the target terminal comprises: the sequence ID of the positioning signal of the target terminal, the sending frequency band and the time position of the target terminal; the near static UE and the target terminal belong to different PLMNs.
23. A terminal for positioning, the terminal comprising: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of any one of claims 1 to 8.
24. A location server for information transmission, the location server comprising: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of any one of claims 9 to 13.
25. A V2X server for information transmission, the V2X server comprising: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of any one of claims 14 to 17.
26. An adjacent static UE for information transmission, the adjacent static UE comprising: a processor and a memory;
the memory is used for storing instructions;
the processor is configured to read the instructions to perform the method of claim 18.
27. A storage medium storing a computer program which, when executed by a processor, implements the method of any one of claims 1 to 18.
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US17/762,136 US20220377697A1 (en) 2019-09-20 2020-06-16 Positioning Method and Apparatus, Terminal Device and Storage Medium
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